#!/usr/bin/env bash
#输出不换行 -ne




echo -n "username:";read username


echo -n "password:";read -s password  #-s 不回显输入 在Windows可能实现不了; 建议放到真实的Linux环境中

echo "username:  $username password: $password "


#echo -n "date:";date +%F  #格式化输出日期

#echo -e  "\a\a\a\a\a"

